CN204873335U - Automatic device of adjustment brake force - Google Patents
Automatic device of adjustment brake force Download PDFInfo
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- CN204873335U CN204873335U CN201520660907.0U CN201520660907U CN204873335U CN 204873335 U CN204873335 U CN 204873335U CN 201520660907 U CN201520660907 U CN 201520660907U CN 204873335 U CN204873335 U CN 204873335U
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Abstract
The utility model discloses an automatic device of adjustment brake force, its mating plate is vertical locate the support outside, establish in the support can lateral shifting the translation piece, in an elastic element was in the support, an elastic element produces the effort to the translation piece, and just this effort orientation was mutually perpendicular with the mating plate, setting up the self -adjusting board of the vertical activity of ability in the support, setting up the 2nd elastic element between the top of self -adjusting board and support, the 2nd elastic element produces the effort along vertical to the self -adjusting board, self -adjusting board below clearance fit self -adjusting piece, the translation can be done along the self -adjusting board to the self -adjusting piece, and the translation direction is mutually perpendicular with the mating plate, the first side of self -adjusting piece and the second of friction element side touches mutually and both can be movable relatively, and the second side and the first side of translation piece of self -adjusting piece touch mutually that just both can be movable relatively, vertical motion can be done to the friction element, behind the friction element upward movement, the first side of friction element and mating plate touch mutually and the centre gripping between the first side of mating plate and self -adjusting piece.
Description
Technical field
The utility model belongs to mechanical braking force feedback control technology field, especially a kind of braking force negative feedback control technology, particularly a kind of device of automatic adjustment braking force.
Background technology
Existing emergency braking apparatus, the problem caused the accident because of friction factor or working condition change happens occasionally, reason be all dispatch from the factory adjustment brake equipment braking force after working condition changes, friction coefficient also there occurs change, and the size of its braking force can not adjust according to friction factor change in good time.These brake equipments are all that final confirmation controls product export technical index according to the different surfaces state of mating plate, different environment for use/condition and different operating mode of installing to test friction coefficient.But different or working condition is different or processing and manufacturing error or repeatedly after braking under the conditions such as dynamic abrasion mechanism changes in mating plate job operation or surfacecti proteon, be just difficult to reach the perfect condition of design of dispatching from the factory.Simultaneously, under working condition, the mating plate state of brake equipment is uncontrollable, the difference of working condition is also that Objective Necessity exists, and all working conditions can not be completed test, the existence of these problems will cause the friction coefficient between brake equipment and mating plate to be uncontrollable.But braking force is determined jointly by positive pressure and friction coefficient, the essential safety problem of braking under being all to solve working condition when presetting positive pressure or test obtain friction coefficient.Therefore, research and solve brake equipment and mating plate and compensate positive pressure along with friction coefficient changes automatically to adjust, the technical scheme obtaining relative constancy braking force inherently could solve safety problem, and guarantee people and thing safety, this obviously has very large economic value and social benefit.
China Patent No. 01800019.3 discloses a kind of elevator emergency brake device, it provides a kind of and keeps deceleration acceleration/accel during express elevator emergency braking certain, stop the elevator emergency stop device of cage safely, the mechanism that its wedge set is changed according to braking force by the size in the vertical direction corresponding to sliding surface between guide rail and sliding part is formed.See its accompanying drawing, it consists of movable part 3a, fixed part 3b and elastic body 10, along with the carrying out of braking, sliding velocity reduces, and because dynamic friction coefficient strengthens, braking force becomes large, the amount of deflection of elastic body 10 also strengthens, and movable part 3a relatively rises relative to fixed part 3b.Because movable part 3a rises along the medial slope of fixed part 3b, its horizontal direction position is by being bordering on fixed part 3b side (leaving guide rail direction), and the width namely as whole wedge set diminishes, and the amount of deflection of leaf spring 7 diminishes, and positive pressure reduces.Because all adjustment are only carried out between movable part 3a and fixed part 3b, the scantling of structure of spring body 10 can be very large, overall scantling of structure will increase, simultaneously, the adjustment of movable part 3a is by setting up elastic body between fixed part 3b and movable part 3a inside, and by coupling each other, the wedge set movement parts be combined into one controls to realize internal feedback, control system internal abnormality is complicated, and the adjustment realizing friction coefficient is in a big way comparatively difficult.Therefore, it is mainly used in solving high-speed secure clamp brake problem.
Chinese Patent Application No. 201310361705.1 discloses a kind of elevator possessing emergency braking apparatus, it can tackle the needs reducing the elevator pit degree of depth, suppress the whole height of emergency braking apparatus, and the excessive deceleration/decel produced when elevator is about to stop can being relaxed.Its braking force is produced by brake component 7 to be transformed into brake component guiding device 6 and to feed back on extension spring component 13 and reduce end braking power.Brake component 7 makes controlled reset each other by brake component guiding device 6, instead of directly feeds back on extension spring component 13 by braking force size, and it adapts to the changeable controlling unit of friction coefficient and increases, and belongs to indirect feedback influence factor many.It mainly solves pit depth and the excessive problem of end deceleration/decel.
Utility model content
In view of the reality of above prior art with change for solving friction coefficient under working condition the security risk caused, the utility model discloses a kind of device of automatic adjustment braking force, it is by the method for mechanical braking force negative feedback control positive pressure, realize adjustment elastic element positive pressure automatically, obtain the braking force of relative constancy, guarantee safe and reliable under working condition of brake equipment.
The utility model takes following technical scheme: the device of adjustment braking force automatically, comprise: support (9), mating plate (10), translating element (4), the first elastic element (3), self-regulated one integral piece (5), self aligning plate (2), the second elastic element (1), friction element (8), mating plate (10) is vertically located at outside support (9), establishes the translating element (4) of energy transverse shifting in support (9); First elastic element (3) is in support (9), the first elastic element (3) application force and this force direction are produced to translating element (4) and mating plate (10) perpendicular; Energy vertical movable self aligning plate (2) is set in support (9), arrange the second elastic element (1) between the top of self aligning plate (2) and support (9), the second elastic element (1) vertically produces application force to self aligning plate (2); Self aligning plate (2) underside coordinate self-regulated one integral piece (5), self-regulated one integral piece (5) can do translation along self aligning plate (2), translation direction and mating plate (10) perpendicular; First side of self-regulated one integral piece (5) and the second side of friction element (8) touch and both energy relative motion, and the second side of self-regulated one integral piece (5) and the first side of translating element (4) touch and both energy relative motion; Friction element (8) can make vertical motion, after friction element (8) upward movement, the first side of friction element (8) and mating plate (10) touch and are held between the first side of mating plate (10) and self-regulated one integral piece (5).
The device of described automatic adjustment braking force, first side of self-regulated one integral piece (5) takes the form of inclined plane, corresponding, second side of friction element (8) takes the form of inclined plane, or the second side of friction element (8) forms the curved surface of evagination, first side of curved surface and self-regulated one integral piece (5) is tangent, or cylinder selected by friction element (8), tangent with the first side of self-regulated one integral piece (5).
The device of described automatic adjustment braking force, second side of self-regulated one integral piece (5) takes the form of inclined plane, corresponding, first side of translating element (4) takes the form of inclined plane, or, first side of translating element (4) forms the curved surface of evagination, and the second side of curved surface and self-regulated one integral piece (5) is tangent.
The device of described automatic adjustment braking force, the first side of the self-regulated one integral piece (5) taken the form of inclined plane, the second side are respectively by roller row and the second side of friction element (8) taken the form of inclined plane, the first side of translating element (4) and touching.
The device of described automatic adjustment braking force, it is characterized in that: the first side of self-regulated one integral piece (5) forms the curved surface of evagination, corresponding, the second side of friction element (8) takes the form of inclined plane, and the curved surface of this inclined-plane and self-regulated one integral piece (5) is tangent.
The device of described automatic adjustment braking force, the second side of self-regulated one integral piece (5) forms the curved surface of evagination, and corresponding, the first side of translating element (4) takes the form of inclined plane, and the curved surface of this inclined-plane and self-regulated one integral piece (5) is tangent.
The device of described automatic adjustment braking force, the bottom surface of self aligning plate (2) forms horizontal concrete chute (2-1), the top (5-3) of chute (2-1) bearing fit self-regulated one integral piece (5).
The device of described automatic adjustment braking force, self-regulated one integral piece (5) selects cylinder, on the other hand, the second side of friction element (8), the first side of translating element (4) all take the form of inclined plane, and tangent with self-regulated one integral piece (5).
The device of described automatic adjustment braking force, the side of translating element (4) is trapezoidal; And/or the side of friction element (8) is trapezoidal.
The device of described automatic adjustment braking force, support (9) comprises roof (9-1), sidewall (9-2) and base plate (9-3), and roof (9-1) parallels with base plate (9-3) and leaves spacing and perpendicular with sidewall (9-2); On the base plate (9-3) being put on support (9), between square edge (4-3) and sidewall (9-2), push up the first elastic element (3) described in pressing long base (4-2) parallel-moving type of translating element (4).
The device of described automatic adjustment braking force, mating plate (10) parallels with sidewall (9-2).
The device of described automatic adjustment braking force, the first elastic element (3) and/or the second elastic element (1) adopt U-shaped spring, disk spring, flat spring, coil spring, hydraulic pressure, gas spring or Pressure-bar spring.
In technical solutions of the utility model, when actual coefficientoffrictionμ equals minimized friction coefficient μ
0time, the predetermincd tension D of braking force and small element (1)
1, large elastic element (3) maximum positive voltage power F
1create mechanical balance relation, namely small element (1), self aligning plate (2) and self-regulated one integral piece (5) can not relative motions up and down, now, in stop process, large elastic element (3) provides constant positive pressure F
1, namely braking force P is constant.
When actual coefficientoffrictionμ is greater than minimized friction coefficient μ
0time, at pre-customized power destruction with the predetermincd tension D of small element (1)
1, large elastic element (3) maximum positive voltage power F
1between mechanical balance relation, namely small element (1) will be compressed, cause self aligning plate (2), friction element (8), self-regulated one integral piece (5) upward movement, along with face (4-1) upward movement of self-regulated one integral piece (5) relative translation part (4), the deflection of large elastic element (3) will reduce, namely the actual positive pressure of large elastic element (3) to mating plate (10) will reduce, until the compressive force of actual braking force and small element (1), new mechanical balance relation is reached between the actual positive pressure of large elastic element (3).In this process, along with the increase of friction coefficient, the positive pressure of large elastic element (3) reduces, thus the positive pressure achieving elastic member component can according to the increase self aligning adjusting size of friction coefficient.
The utility model adjusts the method for device by mechanical braking force negative feedback control positive pressure of braking force automatically, realizes automatically adjustment elastic element positive pressure, obtains the braking force of relative constancy, guarantees safe and reliable under working condition of brake equipment.
Accompanying drawing explanation
Fig. 1 is the apparatus structure principle schematic that the utility model embodiment 1 adjusts braking force automatically.
Fig. 2 brakes schematic diagram under the utility model embodiment 1 adjusts the minimized friction coefficient of the device of braking force automatically.
Fig. 3 is that the utility model embodiment 1 automatic adjustment braking force Kitchen adjusts braking principle schematic diagram automatically.
Fig. 4 is the apparatus structure principle schematic that the utility model embodiment 2 adjusts braking force automatically.
Fig. 5 is the apparatus structure principle schematic that the utility model embodiment 3 adjusts braking force automatically.
Fig. 6 is the apparatus structure principle schematic that the utility model embodiment 4 adjusts braking force automatically.
Fig. 7 is the apparatus structure principle schematic that the utility model embodiment 5 adjusts braking force automatically.
Fig. 8 A is the deceleration and stopping performance characteristic of conventional art.
Fig. 8 B is deceleration and stopping performance characteristic of the present utility model.
Fig. 9 is the deflection of the large elastic element of the utility model, the characteristic curve of force value.
Figure 10 is the deflection of the small element of the utility model, the characteristic curve of force value.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model principle is elaborated.
As shown in Fig. 1-3,8A, 8B, 9,10, the utility model adopts braking force inverse feedback working condition, automatically the method being adjusted positive pressure by friction coefficient change solves safety arrestment problem, and this device comprises: support 9, friction element 8, self-regulated one integral piece 5, self aligning plate 2, translating element 4, large elastic element 3, small element 1, mating plate 10, roller row 6,7 etc.
Support 9 is one-body molded by roof 9-1, sidewall 9-2 and base plate 9-3, and roof 9-1 parallels with base plate 9-3 and perpendicular with sidewall 9-2, and surround a space between three, roof 9-1 length is greater than the length of base plate 9-3.Support 9 is for installing small element 1 and translating element 4, the rectangular echelon form in side of translating element 4, its (long base 4-2) is put on the base plate 9-3 of support 9 parallel-moving type, push up between its square edge 4-3 and sidewall 9-2 and press large elastic element 3, the angle of inclined-plane 4-1 and vertical lines is β.Large elastic element 3 is positioned on support 9.
The side of support 9 (roof, base plate towards) is provided with a mating plate 10, and mating plate 10 parallels with sidewall 9-2.
The self aligning plate 2 that the space built-in of support 9 can move up and down, push up between the roof 9-1 of self aligning plate 2 and support 9 and press small element 1, be connected with self aligning plate 2 by small element 1, after small element 1 is compressed, small element 1 produces certain predetermincd tension D
1.
The bottom surface of self aligning plate 2 is provided with horizontal concrete chute 2-1, the top 5-3 of chute 2-1 bearing fit self-regulated one integral piece 5, self-regulated one integral piece 5 can in this chute 2-1 sway, the base 5-4 of self-regulated one integral piece 5 parallels with top 5-3 and base 5-4 is shorter than top 5-3.Both sides are inclined-plane 5-1,5-2, and the angle of inclined-plane 5-1 and vertical lines is α, and the angle of inclined-plane 5-2 and vertical lines is β.In braking procedure, self-regulated one integral piece 5 acts on self aligning plate 2 all the time, and when the application force of friction element 8 is equal to or greater than default braking force, friction element 8 just compresses small element 1 by self aligning plate 2, the displacement realizing large elastic element 3 reduces, and positive pressure reduces.Self-regulated one integral piece 5 can be separated setting with self aligning plate 2, also can become an entirety.
Self-regulated one integral piece 5 is between translating element 4 and friction element 8.The rectangular echelon form in side of friction element 8, its top 8-3 parallels with base 8-4 and top 8-3 is shorter than base 8-4.The angle of inclined-plane 8-1 and vertical lines is α, and square edge 8-2 parallels with the side 10-1 of mating plate 10.
Two inclined-planes of self-regulated one integral piece 5, wherein, inclined-plane 5-1 parallels with the inclined-plane 8-1 of friction element 8, another inclined-plane 5-2 parallels with the inclined-plane 4-1 of translating element 4, inclined-plane 5-1 is contacted with the inclined-plane 8-1 of friction element 8 by roller row 7, and another one inclined-plane 5-2 is by the inclined-plane 4-1 parallel contact of roller row 6 with translating element 4.The effect of roller row 6,7 is to reduce the friction drag between the face of the face of two faces of self-regulated one integral piece 5 and friction element 8, translating element 4, make self-regulated one integral piece 5 can with friction element 8, translating element 4 relative motion flexibly.
Certainly, the inclined-plane of translating element 4, friction element 8 also can directly contact with the respective ramp of self-regulated one integral piece 5.
By the size of translating element 4 and friction element 8 angle or structure, size rigidity elastic element and braking force, initial minimum rigidity initial tension of spring D is set
1with maximum rigidity elastic element pre set force F
1or preset strokes, confirm that the minimum coefficient that rubs is μ
0.Directly act on self aligning plate 2 by the braking force of friction element 8, and control self-regulated one integral piece 5 by additional small element 1 and realize braking force and friction coefficient and change and automatically adjust positive pressure.The minimum coefficient μ that rubs of setting mating plate 10 and friction element 8
0, by the size P of friction angle or structure, size flexibility element and braking force
0, initial minimum rigidity initial tension of spring D is set
1with maximum flexibility element pre set force F
1or preset strokes.Directly act on self aligning plate 2 by the braking force of friction element 8, and control self-regulated one integral piece 5 by additional small element 1 and realize braking force and friction coefficient and change and automatically adjust positive pressure.
When friction element 8 upward movement contacts with mating plate 10, at default coefficientoffrictionμ
0under, produce upwards braking force P, under the effect of P power, by self-regulated one integral piece 5, power is resolved into vertical power D and horizontal force F, large elastic element 3 is compressed under the effect of horizontal force F, upwards compress small element 1 simultaneously, set up initial mechanical balance at braking force P and between vertical power D and horizontal force, obtain the predetermincd tension D of small element 1
1, large elastic element 3 presetting power F
1.
When braking force P is greater than P
0, friction element 8 compresses little rigidity elastic element 1, and now self aligning plate 2 moves up, and self-regulated one integral piece 5 moves up, and forces translating element 4 parallel motion, and large rigidity elastic element 4 compresses and reduces, and positive pressure F reduces.Thus define the sure brake system of mechanical braking force negative feedback control positive pressure.When braking force P is greater than P
0friction element 8 application force imposes on adjustment plate 2, compress small element 1, now self aligning plate 2 moves up, self-regulated one integral piece 5 moves up, and makes translating element 4 parallel motion, and large elastic element 4 compression stroke reduces, positive pressure F reduces, thus defines the sure brake system of mechanical braking force negative feedback control positive pressure.
Large elastic element 3 can adopt U-shaped spring, also the single or multiple composition of the elastic elements such as disk spring, flat spring, coil spring, hydraulic spring grease cup, gas spring (air pressure), Pressure-bar spring or damper element can be used, it provides positive pressure in certain stroke range, for the positive pressure F of pre-set constant
1.At braking procedure, realized the change of compression displacement by self-regulated one integral piece 5, obtain different positive pressures.
Little rigidity elastic element 1 can adopt one, the two or many elastic bodys with certain rigidity or zero stiffness or negative stiffness combined, its predetermincd tension reaches minimized friction coefficient or required braking force, as adopted disk spring, also the single or multiple composition of the elastic elements such as U-shaped spring, flat spring, coil spring, gas spring, Pressure-bar spring or damper element can be used, it provides negative stiffness by Figure 10 Changing Pattern or zero small element in certain stroke range, for arranging predetermincd tension D
1, for measuring braking force in braking procedure, being controlled the displacement of self-regulated one integral piece 5 by compress variation, realizing the adjustment to large elastic element 3 positive pressure.
The predetermincd tension D of small element 1 is set according to friction element 8 and the minimized friction coefficient of mating plate 10, the inclined-plane 5-2 angular dimension β of self-regulated one integral piece 5
1, and set the maximum positive voltage power F of large elastic element 3
1.
Friction element 8, self-regulated one integral piece 5 can adopt voussoir simultaneously, also can adopt cylinder simultaneously, or a friction element adopts Wedge-type, another one friction element to adopt column type, also adjustment can be realized by the structure that is single or combination of plane or inclined-plane, curved surface or arc surface.Controlled reset comes from friction element 8, the positive pressure of the large small feedback control adjustment input of the braking force produced by friction element 8.
Fig. 8 A is the deceleration and stopping performance characteristic of conventional art, braking force=positive pressure X friction coefficient, and F is positive pressure, and P is braking force, and μ is friction coefficient.After positive pressure presets, along with the increase of friction coefficient, braking force is constantly in increase, and in braking procedure, deceleration/decel will increase.
Fig. 8 B is the deceleration and stopping performance characteristic of technical solutions of the utility model, braking force=positive pressure X friction coefficient, and F is positive pressure, and P is braking force, and μ is friction coefficient.Because positive pressure can adjust along with the change of friction coefficient within the specific limits automatically, braking force relative constancy can be kept at braking procedure.
Fig. 9 is the characteristic curve of large rigidity elastic element of the present utility model, its application force and displacement relation be continuous or segmented linear or/and the elasticity of curve or buffer body, preset positive pressure F when initial condition
1displacement f corresponding with it
1, lower limit positive pressure F time in working order
2displacement f corresponding with it
2, be a certain functional relation between its positive pressure F and displacement.
Figure 10 is the characteristic curve of little rigidity elastic element of the present utility model, and its application force and displacement relation are stage by stage or continuous print straight line, the elasticity of curve or buffer body, the predetermincd tension F when initial condition
1displacement amount H corresponding with it
1, little rigid spring power D time in working order
2displacement H corresponding with it
2, be a certain functional relation between its application force D and displacement.
Of the present utility model to realize principle as follows: according to the minimized friction coefficient of friction element 8 with mating plate 10, the size of braking force, the face 5-2 angular dimension β of self-regulated one integral piece 5 set the predetermincd tension D of small component element 1
1, and set the maximum positive voltage power F of large elastic member component 3
1.
When friction braking, friction element 8 moves along the face 5-1 of adjustment part 5, until the clamping face 8-2 of friction element 8 contacts with mating plate face 10-1; Meanwhile, the displacement produced under the effect of friction element 8, self-regulated one integral piece 5, translating element 4 perpendicular to mating plate face of large elastic element 3 reaches the end position of friction element 8 stroke, now large elastic element 3 reaches presetting maximum positive voltage power, and act on mating plate 10, the positive pressure provided at large elastic element 3 and friction element 8, with under the actual friction coefficient combined action of mating plate 10, produce the braking force of relative constancy.
In braking procedure, when actual coefficientoffrictionμ equals minimized friction coefficient μ
0time, as shown in Figure 2, the predetermincd tension D of braking force P and small element 1
1, large elastic element 3 maximum positive voltage power F
1create mechanical balance relation, namely small element 3, self aligning plate 2 and self-regulated one integral piece 5 can not relative motions up and down, and now, in elevator safety gear stop process, large elastic element 3 provides constant positive pressure F
1, namely braking force is constant.
When actual coefficientoffrictionμ is greater than minimized friction coefficient μ
0time, as shown in Figure 3, at default malleation force F
1create larger braking force and destroy the predetermincd tension D with small element 1
1, large elastic element 3 maximum positive voltage power F
2between mechanical balance relation, namely small element 1 will be compressed, i.e. size H-H
1diminish as H-H
2, cause self aligning plate 2, friction element 8, self-regulated one integral piece 5 upward movement, along with the face 4-1 upward movement of self-regulated one integral piece 5 relative translation part 4, the deflection of large elastic element 3 will reduce, size f-f
1diminish as f-f
2, namely the actual positive pressure of large elastic element 3 pairs of guide rails will from F
1be reduced to F
2, until the compressive force D of actual braking force and small element 1
2, large elastic element 3 actual positive pressure F
2between reach new mechanical balance relation.
Embodiment 2
As shown in Figure 4, the difference of the present embodiment and embodiment 1 is: the friction element 8 of the present embodiment adopts cylindrical structure, and the inclined-plane 5-1 of itself and self-regulated one integral piece 5 is tangent, and arranges without ball between the two.After friction element 8 upward movement, can be tangent and produce braking force with the side 10-1 of mating plate 10.
Other content of the present embodiment can reference example 1.
Embodiment 3
As shown in Figure 5, the difference of the present embodiment and embodiment 1 is: self-regulated one integral piece 5 adopts two cylinders, upper cylindrical diameter is greater than lower cylinder, the bottom surface of upper cylinder and self aligning plate 2, the inclined-plane 4-1 of translating element 4 are tangent, and the inclined-plane 8-1 of lower cylinder and friction element 8, the inclined-plane 4-1 of translating element 4 are tangent.After friction element 8 upward movement, can tangent with upper cylinder, touch with the side 10-1 of mating plate 10 and produce braking force.
Other content of the present embodiment can reference example 1.
Embodiment 4
As shown in Figure 6, the difference of the present embodiment and embodiment 1 is: self-regulated one integral piece 5 forms two arc-shaped curved surface 5-2-1, and the inclined-plane 4-1 of these two curved surface 5-2-1 and translating element 4 is tangent.Arrange without ball between friction element 8 and self-regulated one integral piece 5.
Other content of the present embodiment can reference example 1.
Embodiment 5
As shown in Figure 7, the difference of the present embodiment and embodiment 1 is: arrange without ball between friction element 8 and self-regulated one integral piece 5.Friction element 8 forms two arc-shaped curved surface 8-1-1, the inclined-plane 5-1 of top-surface camber 8-1-1 and self-regulated one integral piece 5 is tangent, after friction element 8 upward movement, lower surface camber 8-1-1 can be tangent with the inclined-plane 5-1 of self-regulated one integral piece 5, touches and produce braking force with the side 10-1 of mating plate 10.
Other content of the present embodiment can reference example 1.
The utility model adopts braking force self-align method, in this braking procedure, along with the increase of friction coefficient, the positive pressure of large elastic element 3 reduces, the positive pressure of its elastic element can according to the increase self aligning adjusting size of friction coefficient, thus realize self aligning regulating brake force size, cannot compared with the safety catch of self aligning adjusting size with existing elastic element positive pressure, the lower friction coefficient that the utility model solves work condition state changes the uncontrollable security risk of braking force caused.
Above preferred embodiment of the present utility model is described in detail; those skilled in the art; according to the thought that the utility model provides, detailed description of the invention will change, and these changes also should be considered as protection domain of the present utility model.
Claims (10)
1. automatically adjust the device of braking force, it is characterized in that comprising: support (9), mating plate (10), translating element (4), the first elastic element (3), self-regulated one integral piece (5), self aligning plate (2), the second elastic element (1), friction element (8), mating plate (10) is vertically located at outside support (9), establishes the translating element (4) of energy transverse shifting in support (9); First elastic element (3) is in support (9), the first elastic element (3) application force and this force direction are produced to translating element (4) and mating plate (10) perpendicular; Energy vertical movable self aligning plate (2) is set in support (9), arrange the second elastic element (1) between the top of self aligning plate (2) and support (9), the second elastic element (1) vertically produces application force to self aligning plate (2); Self aligning plate (2) underside coordinate self-regulated one integral piece (5), self-regulated one integral piece (5) can do translation along self aligning plate (2), translation direction and mating plate (10) perpendicular; First side of self-regulated one integral piece (5) and the second side of friction element (8) touch and both energy relative motion, and the second side of self-regulated one integral piece (5) and the first side of translating element (4) touch and both energy relative motion; Friction element (8) can make vertical motion, after friction element (8) upward movement, the first side of friction element (8) and mating plate (10) touch and are held between the first side of mating plate (10) and self-regulated one integral piece (5).
2. automatically adjust the device of braking force as claimed in claim 1, it is characterized in that: the first side of self-regulated one integral piece (5) takes the form of inclined plane, corresponding, second side of friction element (8) takes the form of inclined plane, or the second side of friction element (8) forms the curved surface of evagination, first side of curved surface and self-regulated one integral piece (5) is tangent, or cylinder selected by friction element (8), tangent with the first side of self-regulated one integral piece (5);
And/or the second side of self-regulated one integral piece (5) takes the form of inclined plane, corresponding, first side of translating element (4) takes the form of inclined plane, or the first side of translating element (4) forms the curved surface of evagination, and the second side of curved surface and self-regulated one integral piece (5) is tangent.
3. automatically adjust the device of braking force as claimed in claim 2, it is characterized in that: the first side of the self-regulated one integral piece (5) taken the form of inclined plane, the second side are respectively by roller row and the second side of friction element (8) taken the form of inclined plane, the first side of translating element (4) and touching.
4. automatically adjust the device of braking force as claimed in claim 1, it is characterized in that: the first side of self-regulated one integral piece (5) forms the curved surface of evagination, corresponding, second side of friction element (8) takes the form of inclined plane, and the curved surface of this inclined-plane and self-regulated one integral piece (5) is tangent;
And/or the second side of self-regulated one integral piece (5) forms the curved surface of evagination, and corresponding, the first side of translating element (4) takes the form of inclined plane, and the curved surface of this inclined-plane and self-regulated one integral piece (5) is tangent.
5. the device of the braking force of adjustment automatically as claimed in claim 1 or 2, it is characterized in that: the bottom surface of self aligning plate (2) forms horizontal concrete chute (2-1), the top (5-3) of chute (2-1) bearing fit self-regulated one integral piece (5).
6. automatically adjust the device of braking force as claimed in claim 1, it is characterized in that: self-regulated one integral piece (5) selects cylinder, on the other hand, second side of friction element (8), the first side of translating element (4) all take the form of inclined plane, and tangent with self-regulated one integral piece (5).
7. as described in claim 1-4 or 6 any one, automatically adjust the device of braking force, it is characterized in that: the side of translating element (4) is trapezoidal; And/or the side of friction element (8) is trapezoidal.
8. automatically adjust the device of braking force as claimed in claim 7, it is characterized in that: support (9) comprises roof (9-1), sidewall (9-2) and base plate (9-3), roof (9-1) parallels with base plate (9-3) and leaves spacing and perpendicular with sidewall (9-2); On the base plate (9-3) being put on support (9), between square edge (4-3) and sidewall (9-2), push up the first elastic element (3) described in pressing long base (4-2) parallel-moving type of translating element (4).
9. automatically adjust the device of braking force as claimed in claim 8, it is characterized in that: mating plate (10) parallels with sidewall (9-2).
10. as described in claim 1 or 4, automatically adjust the device of braking force, it is characterized in that: the first elastic element (3) and/or the second elastic element (1) adopt U-shaped spring, disk spring, flat spring, coil spring, hydraulic pressure, gas spring or Pressure-bar spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520660907.0U CN204873335U (en) | 2015-08-28 | 2015-08-28 | Automatic device of adjustment brake force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520660907.0U CN204873335U (en) | 2015-08-28 | 2015-08-28 | Automatic device of adjustment brake force |
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| CN204873335U true CN204873335U (en) | 2015-12-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035907A (en) * | 2015-08-28 | 2015-11-11 | 杭州沪宁电梯配件有限公司 | Device with automatic braking force adjusting function |
| CN106274853A (en) * | 2016-08-26 | 2017-01-04 | 吴象图 | A kind of complemental brake system |
| CN110291032A (en) * | 2017-02-10 | 2019-09-27 | 蒂森克虏伯电梯股份公司 | Elevator device including at least two lift cars that can be advanced along common orbital segment |
| US11230456B2 (en) | 2018-05-07 | 2022-01-25 | G.A.L. Manufacturing Company, Llc | Elevator emergency brake with shoes |
-
2015
- 2015-08-28 CN CN201520660907.0U patent/CN204873335U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035907A (en) * | 2015-08-28 | 2015-11-11 | 杭州沪宁电梯配件有限公司 | Device with automatic braking force adjusting function |
| CN105035907B (en) * | 2015-08-28 | 2018-10-23 | 杭州沪宁电梯部件股份有限公司 | A kind of device of adjust automatically brake force |
| CN106274853A (en) * | 2016-08-26 | 2017-01-04 | 吴象图 | A kind of complemental brake system |
| CN110291032A (en) * | 2017-02-10 | 2019-09-27 | 蒂森克虏伯电梯股份公司 | Elevator device including at least two lift cars that can be advanced along common orbital segment |
| CN110291032B (en) * | 2017-02-10 | 2021-11-05 | 蒂森克虏伯电梯股份公司 | Elevator system comprising at least two elevator cars capable of travelling along a common rail section |
| US11230456B2 (en) | 2018-05-07 | 2022-01-25 | G.A.L. Manufacturing Company, Llc | Elevator emergency brake with shoes |
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Address after: Yuhang Thailand Street Tower Village in Hangzhou City, Zhejiang province 311121 Patentee after: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. Address before: 311121 Zhongtai Industrial Park, water tower village, Zhongtai Township, Yuhang District, Hangzhou, Zhejiang Patentee before: Hangzhou Huning Elevator Fitting Co., Ltd. |